When one of Chastain's own is brought into the emergency room with life-threatening injuries, the staff rallies around each other to try to save her life, while disagreements over how to best handle her care put Cain at odds with the rest of the doctors. Also, Bell is met with an unexpected response when he voices concerns regarding the nursing shortage that Nic brought to his attention. Meanwhile, Conrad turns heads when he shares data about Hemopleatin, and Kyle begins volunteering at the hospital.

Cracks start to show as the survivors find different ways to cope. Jonathan’s increasingly perturbed by Sacha’s strange behaviour. Emily proves to be an exciting conundrum for Bill. And Mokrani is horrified as his men delight in the opportunity to exact revenge.

The alien’s connection to certain survivors raises difficult questions. Bill makes a startling discovery. Sacha’s behaviour is increasingly erratic. And Tom’s birthday proves cause for celebration. But at what cost?

One year after escaping the destruction of their planet Shlorp and crashing on Earth, aliens Korvo, Terry, and their child-replicants Yumyulack and Jesse adjust to their new lives. Korvo is determined to repair their spaceship, but Terry introduces him to the television show Funbucket. Realizing that the titular alien is fictional, they create a real Funbucket, who tires of them and befriends humans Travis and Avery. Forced to attend high school, Yumyulack and Jesse are menaced by their classmates and faculty. They shrink a bully named Lydia, hoping to use her to study human behavior. As the Shlorpian family have dinner together, it is revealed that their pet, the Pupa, will one day evolve and destroy Earth to terraform a new Shlorp.

Super villain M.O.D.O.K. runs his evil organization AIM into the ground and is forced to sell it to the tech company GRUMBL. As the megalomaniacal M.O.D.O.K. struggles to regain control of AIM, he risks losing something even more important…his family!

The survivors make some disarming discoveries not only about the aliens but also about themselves. Mokrani goes on the offensive, taking the fight to the aliens. Ash is forced to make the hardest decision of his life. And Chloe’s past catches up with her, threatening to rip apart the delicate semblance of normality she is so desperately clinging on to.

Cracks start to show as the survivors find different ways to cope. Jonathan’s increasingly perturbed by Sacha’s strange behaviour. Emily proves to be an exciting conundrum for Bill. And Mokrani is horrified as his men delight in the opportunity to exact revenge.

The alien’s connection to certain survivors raises difficult questions. Bill makes a startling discovery. Sacha’s behaviour is increasingly erratic. And Tom’s birthday proves cause for celebration. But at what cost?

When one of Chastain's own is brought into the emergency room with life-threatening injuries, the staff rallies around each other to try to save her life, while disagreements over how to best handle her care put Cain at odds with the rest of the doctors. Also, Bell is met with an unexpected response when he voices concerns regarding the nursing shortage that Nic brought to his attention. Meanwhile, Conrad turns heads when he shares data about Hemopleatin, and Kyle begins volunteering at the hospital.

Upon dubbing Thanksgiving “the most dangerous day of the year,” Devon and Irving are inundated with patients in the ER. When an A-list celebrity enters the hospital after swallowing a wish bone, Logan Kim assigns a new surgeon to the case in the hopes of garnering extra publicity.

Meredith and Nathan have to confront their feelings when they are stuck sitting next to each other on a plane.

Bailey and April work to fix things between Richard and Catherine. Meanwhile, Eliza continues to pursue Arizona, and one of Alex's previous patients returns to Grey Sloan.

April and Andrew consult with a fiery patient who has a giant, inoperable heart tumor. Meanwhile, Alex and Eliza are at odds over the treatment of a young patient, and Stephanie and Ben make decisions that could affect their careers.

The doctors of Grey Sloan encounter a difficult case involving a dangerous patient. Meanwhile, Owen receives life-changing news that pushes Amelia to step up to support him, and Alex attends a medical conference after making a shocking discovery.

When Station 19 receives a call from concerned neighbors regarding a resident in their apartment building, the team heads out to investigate. When they arrive to evaluate the scene, they're shocked by what they find inside. Meanwhile, in an effort to create a solid working relationship between the fire and police departments, Ryan takes an unlikely member of the team on a ride-along.

Everyone is less than enthusiastic when Sullivan assigns each member of the crew a specialty skill to learn. During a house call, Ryan is caught off guard when he comes face-to-face with someone from his past; and Sullivan, Andy and Maya handle a structure fire in a derelict building.

Captain Sullivan continues his efforts to bring together the fire and police departments by hosting a training seminar that does not go as planned. Meanwhile, Ben and Miranda have an honest conversation about their marriage, leading Miranda to make a tough decision about their future.

Two weeks after the tornado, with Mike still in rehab, Mrs. Delfino gets a visit from her cousin Tim. Meanwhile, Bree desperately awaits to return to her own house. Gabrielle learns that Carlos' blindness is permanent. Katherine is unable to keep some of her secrets from the women of Wisteria Lane. Finally, a surprise wedding ceremony has its own share of secrets.

Gabrielle struggles with the reality of having a blind husband. Lynette is surprised when Rick Coletti shows up at the Scavo pizzeria. Bree and Katherine join forces to plan the Founders Day Ball. As part of his recovery, Mike asks a few people for forgiveness, and Orson starts sleepwalking.

A young girl is found murdered, and when Megan arrives at the scene, she finds Tommy covered in bloodn he claims he cannot remember anything but evidences goes against him, Megan has to put her personal doubt aside to prove his innocence.

Lives hang in the balance as the members of Station 19 continue to fight a raging inferno inside a skyscraper. Meanwhile, Pruitt's health is in grave danger at Grey Sloan; and a seasoned firefighter with a mysterious past arrives at Station 19, leaving everyone to wonder what the future holds.

It's a life-and-death situation when a young boy falls into water pipes beneath the city of Seattle. With the clock ticking, the firefighters of Station 19 jump into action to save his life.

Kate meets Sergei, a handsome and mysterious guest at a political event, and is irresistibly drawn to him. But when a young Russian girl is found murdered near the hotel where she and Sergei are having a tryst, Kate suspect and turns to Megan for help.

Megan & Tommy investigate the murder of a young woman, which leads them to her neighbor, who bites Tommy and is diagnosed with rabies. When another rabies fatality comes in without any bite, Kate calls in the new health commissioner to help Megan.

A young girl is found murdered, and when Megan arrives at the scene, she finds Tommy covered in bloodn he claims he cannot remember anything but evidences goes against him, Megan has to put her personal doubt aside to prove his innocence.

An investigation involving the murder of a local singer uncovers details that reopen a strikingly similar decades-old cold case. Later on, the team rallies around Soto after she is passed over for the captain’s chair.

Rosewood and Villa are pulled into the world of human trafficking to investigate the death of a school teacher, and a surprising insight into Slade’s past draws Rosie and Villa closer than ever before.

The Chastain staff works together to diagnose a mother-daughter pair who both come in with symptoms that make it difficult to determine their conditions. Devon deals with an unexpected visit from his mother and Conrad and Nic try to figure out the best time to tell everyone their big news. Meanwhile, Bell deals with an over-eager fan of his show who ends up needing treatment at Chastain and Mina makes a bold move when she realizes her visa is about to expire.

Alex must make a hard decision in his relationship with Jo, while Meredith has some news for Riggs that brings their relationship to a turning point.

The Grey Sloan doctors treat a patient who encountered illegal fireworks. Bailey has her sights set on hiring new doctors, but she's having trouble finding viable options. Owen and Teddy attempt to take the next step in their engagement.

Meredith seeks advice from Amelia. Richard is re-energized as he takes teaching to a new level at the hospital. Winston treats a patient suffering from kidney failure.

Dr. Addison Forbes Montgomery returns and graces the Grey Sloan halls with her experience and expertise as she attempts to help Richard teach the newest crop of residents. Meredith has a decision to make; Link confides in Teddy.

Richard recruits Meredith and Bailey to help him launch a new program. Addison's patient has complications from a procedure. Jo helps a woman who goes into premature labor.

Conrad comes under fire when a former patient files a malpractice lawsuit against him, putting Bell in a difficult position with Red Rock. When Devon discovers that his VIP patient has a life-threatening brain condition, the doctors ban together to perform a risky surgery. Meanwhile, Mina discovers that Adaku has a dangerous heart condition that puts her and the baby at risk, and Kyle forms a personal relationship with a patient.